Bottle closure



Patented May 4, 1926. i

PATENT OFFICE.

KONRAD WEIL, .OF BERLIN, GERMANY.

BOTTLE CLOSURE.

Application filed June 9, 1925. Serial 1%. 35,967.

T 0 all whom it may concern:

Be it known that I, KoNnAn NEIL, a citizen of Germany, and resident of 14-, Ranchstrasse, in the city of Berlin, Germany, have invented certain new and useful Improvements in Bottle Closures, of which the following is a specification.

This invention refers to that class of bottle closures in which the admission and solution of a substance to be dissolved in a solvent is effected at the exclusion of outside air and in a substantially absolutely sterile manner. It is well known that a variety of chemical, medicinal or other substances with good keeping qualities in the solid condition will not keep and are decomposed when in solution and particularly in the presence of air.

Now, this invention is intended to devise means of overcoming this difiiculty. It will be more fully described with reference to'the accompanying drawing showing by way of example and in a diagrammatic manner a form of embodiment of the principles thereof.

The device in accordance with this invention comprises a closing cap of rubber or the like for the container, for instance a bottle, of the solvent, the said cap being so arranged and constructed as to retain a tube of glass or other material within the neck of the bottle and to effect an air-tight closure both of the tube as well as of the bottle neck. The bottle serves for the reception of the solvent while the tube contains the substance to be dissolved.

\Vhen the solution is to be produced, a pressure is exerted upon the cap, causing the tube to drop into the liquid and the substance contained therein will be dissolved. The solution, therefore, will be free from the access of outside air during the dissolving operation and by this means it is also protected from infection by bacteria, so that a perfect- 1y sterile and permanently durable solution is obtained.

In the drawing 1 indicates the bottle or container for the solvent, 2 is a rubber cap serving as a closure and so shaped and arranged as to contain and fix in position a small glass tube 3. adapted for the reception of the solid substance, liquid or the like to be dissolved.

The invention is not restricted to the particular form of embodiment herein shown and described merely by way of illustration of the broad principles thereof, but it should be understood that it is susceptible of modifications in accordance with the conditions of its application and the convenience of the user, and without departing from the spirit and scope of the invention, as expressed in the appended claims For some purposes the liquid solvent may, of course, be contained in the interior tube 3, and may be poured or sprinkled upon the substance to be dissolved by operating the closure 2.

I claim 1. In a device of the kind described the combination with an outer container and an additional container at the interior thereof, of flexible closing means in common for both containers and adapted to detach-ably contain the interior container and to release the same upon pressure on the flexible closing means. 1 I

2. In a device of the kind described the combination with an outer container, of a substantially tubular interior container surrounded by the outer container and projecting from the opening of the outer container, and flexible closlng means in common for both containers and enclosing and detachably retaining the projecting portion of the interior container.

DR. KONRAD WEIL. 

